EPIDEMIOLOGIA MIXTECA
mixteca_epi@hotmail.com Huajuapan de Leon, Oaxaca 69005
01 953 53 25627, 01 953 53 23623
d.vieyra@hotmail.com
www.paho.org/hq/index.php?option=com_content&view=article&id=11599&Itemid=41691&lang=es